# Other 2026FA02

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Other
- NHTSA id: 11033451
- Published by NHTSA: 2026\-06\-04
- Manufacturer's number: 2026FA02
- Manufacturer's date: 2026\-05\-02
- NHTSA component: FUEL/PROPULSION SYSTEM
- Manufacturer's system: Transmission

## NHTSA's summary

Notice announcing program to update software and the software identification number to modify some existing DTC logic and to add additional DTCs for eGen transmission

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11033451-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11033451-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Fuel system

## Vehicles listed

- ALLISON TRANSMISSION

JSON: [/v1/bulletins/11033451](/v1/bulletins/11033451)

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